Update app.py

app.py

@@ -52,7 +52,7 @@ def generate_audio():
         # Convert audio to BytesIO in memory
         output_io = io.BytesIO()
         output_audio = audio_output[0].T.float().cpu().numpy()
-        sf.write(output_io, output_audio, pipe.vae.sampling_rate)  # Save as WAV or your preferred format
+        sf.write(output_io, output_audio, pipe.vae.sampling_rate, format="WAV")  # Save as WAV or your preferred format
         output_io.seek(0)  # Reset buffer pointer to beginning
 
         # Send the file in response as attachment for download